/*
 * Copyright (c) 2001, 2002 Boris Pruessmann and others. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Common Public License v0.5 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/cpl-v05.html
 * 
 * Contributors: Boris Pruessmann - Initial implementation.
 */
package net.sourceforge.perforce.core.internal.api;

import com.google.common.collect.Lists;

import net.sourceforge.perforce.api.IPerforceCommand;
import net.sourceforge.perforce.core.PerforceCorePlugin;
import net.sourceforge.perforce.core.api.IChangesResult;
import net.sourceforge.perforce.core.api.IPerforceServer;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.MultiStatus;
import org.eclipse.core.runtime.PlatformObject;

import java.util.Date;
import java.util.List;
import java.util.Map;

/**
 * ClientUser object for the 'p4 changes' command.
 * 
 * @version $Revision: 488 $
 * @author <a href="mailto:bpruessmann@users.sourceforge.net">Boris
 *         Pruessmann</a>
 */
public class Changes extends AbstractPerforceCommand implements IPerforceCommand {
  // ---------------------------------------------------------------------------
  // Private Variables

  /** Stores the result the of the operation in form of a list. */
  private List<IChangesResult> result = Lists.newArrayList();
  /**
   * Returns a reference to the responsible perforce server. TODO: Remove
   */
  private IPerforceServer perforceServer;

  // --------------------------------------------------------------- Public
  // Static Factory Methods

  /**
   * Convenience method for creating instances of Changes.
   * 
   * @param perforceServer the responsible server.
   * @return the Changes instance.
   */
  public static final Changes newInstance(IPerforceServer perforceServer) {
    MultiStatus status = new MultiStatus(PerforceCorePlugin.ID, IStatus.OK, "", null);
    return new Changes(status, perforceServer);
  }

  // ------------------------------------------------------------------------
  // Private Constructors

  /**
   * Constructor for Changes.
   * 
   * @param status the MultiStatus object.
   * @param perforceServer the Perforce Server.
   */
  private Changes(MultiStatus status, IPerforceServer perforceServer) {
    super(status);
    this.perforceServer = perforceServer;
  }

  // -------------------------------------------------------- Public Methods
  // (IClientUserDelegate)

  @Override
  public void outputStat(Map<String, ?> strDict) {
    Result tempResult = new Result();
    tempResult.setChangelist(Helper.safeGetInteger(strDict, "change")); //$NON-NLS-1$
    tempResult.setDate(Helper.safeGetDate(strDict, "time")); //$NON-NLS-1$
    tempResult.setUserName(Helper.safeGetString(strDict, "user")); //$NON-NLS-1$
    tempResult.setClientName(Helper.safeGetString(strDict, "client")); //$NON-NLS-1$
    tempResult.setStatus(Helper.safeGetString(strDict, "status")); //$NON-NLS-1$
    tempResult.setDescription(Helper.safeGetString(strDict, "desc")); //$NON-NLS-1$
    tempResult.setPerforceServer(perforceServer);

    result.add(tempResult);
  }

  // ----------------------------------------------------------- Public Methods
  // (IPerforceCommand)

  /** @see IPerforceCommand#getCommand() */
  public String getCommand() {
    return "changes"; //$NON-NLS-1$
  }


  @Override
  public IStatus getStatus() {
    return getMultiStatus();
  }

  //----------------------------------------------------------------------------
  // -- Public Methods

  /**
   * Returns the result of the operation.
   * 
   * @return array of result objects.
   */
  public IChangesResult[] getResult() {
    return result.toArray(new IChangesResult[result.size()]);
  }

  // ----------------------------------------------------------------------
  // Private Nested Classes

  /**
   * Implementation of the IChangesResult. Stores information provided by the
   * 'p4 changes' command.
   * 
   * @see IChangesResult
   */
  private static class Result extends PlatformObject implements IChangesResult {
    // -----------------------------------------------------------------------
    // Private Variables

    /** Stores the changelist number. */
    private Integer changelist;
    /** Stores the client name. */
    private String clientName;
    /** Stores the submission date. */
    private Date date;
    /** Stores the description. */
    private String description;
    /** Stores the status. */
    private String status;
    /** Stores the user name. */
    private String userName;
    /**
     * Stores the perforce server. TODO: Remove
     */
    private IPerforceServer perforceServer;

    //--------------------------------------------------------------------------
    // Public Methods

    /** @see IChangesResult#getChangelist() */
    public Integer getChangelist() {
      return changelist;
    }

    /** @see IChangesResult#getClientName() */
    public String getClientName() {
      return clientName;
    }

    /** @see IChangesResult#getDate() */
    public Date getDate() {
      return date;
    }

    /** @see IChangesResult#getDescription() */
    public String getDescription() {
      return description;
    }

    /** @see IChangesResult#getStatus() */
    public String getStatus() {
      return status;
    }

    /** @see IChangesResult#getUserName() */
    public String getUserName() {
      return userName;
    }

    /** @see IChangesResult#getPerforceServer() */
    public IPerforceServer getPerforceServer() {
      return perforceServer;
    }

    //--------------------------------------------------------------------------
    // ------- Methods

    /**
     * Sets the changelist.
     * 
     * @param changelist The changelist to set
     */
    void setChangelist(Integer changelist) {
      this.changelist = changelist;
    }

    /**
     * Sets the clientName.
     * 
     * @param clientName The clientName to set
     */
    void setClientName(String clientName) {
      this.clientName = clientName;
    }

    /**
     * Sets the date.
     * 
     * @param date The date to set
     */
    void setDate(Date date) {
      this.date = date;
    }

    /**
     * Sets the description.
     * 
     * @param description The description to set
     */
    void setDescription(String description) {
      this.description = description;
    }

    /**
     * Sets the status.
     * 
     * @param status The status to set
     */
    void setStatus(String status) {
      this.status = status;
    }

    /**
     * Sets the userName.
     * 
     * @param userName The userName to set
     */
    void setUserName(String userName) {
      this.userName = userName;
    }

    /**
     * Sets the perforceServer.
     * 
     * @param perforceServer The perforceServer to set
     */
    void setPerforceServer(IPerforceServer perforceServer) {
      this.perforceServer = perforceServer;
    }
  }
}
